Stopper With Hole

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Stopper With Hole
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  • Silicone Stoppers with Holes

    DWK Life Sciences (Kimble)

    General purpose single-hole silicone rubber stoppers. Steam autoclavable Opaque yellowish-white color Stoppers are manufactured from pure silicone rubber

  • No. 8 Perforated Stopper

    MilliporeSigma

    Designed for use with 1L and 4L vacuum filtering flasks and 47mm vacuum filter holder assemblies 100% Silicone Material Perforated, 1-hole accepts filter holder assemblies and tubing Pack of 5

  • Sani-Tech® Silicone Stoppers

    Saint Gobain

    …long-life silicone stoppers are fully autoclavable and sterilizable and will not crack, spallate or invoke particle migrations that can cause process or product contamination. All Sani-Tech® silicone stoppers can be supplied in a solid configuration or with cored holes for use with dip tubes or…

  • Rubber Stoppers, Two Holes

    Chemglass

    …and CG-3027 except with two holes. These stoppers are suitable for practically all general laboratory uses. Composition ensures resiliency and pliability over a long period and withstands laboratory conditions without hardening. The dimensions are in accordance with specifications established…

  • Rubber Stoppers, One Hole

    Chemglass

    Similar to CG-3026 except with one hole. These stoppers are suitable for practically all general laboratory uses. Composition ensures resiliency and pliability over a long period and withstands laboratory conditions without hardening. The dimensions are in accordance with specifications established…

  • Analytical Test Filter Funnels

    Thermo Scientific Nalgene

    …has official certification for water quality work The 0.2 µm membrane is excellent for sterility testing Graduated upper chamber provides accurate and convenient sample measurements Includes six funnel adapters designed to fit a #8 rubber stopper with a 1/2-inch hole. Case contains 50 filters.

  • XX2004718

    MilliporeSigma

    Designed for use with Millipore stainless steel vacuum filter holders Stopper Size: No. 8 Hole I.D.: 9.5mm (3/8 in.) Silicone rubber construction

  • Rubber Stoppers for 800mL Kjeldahl Flasks

    Plasticoid

    Choice of styles: solid or with one hole of proper size for 800mL Pyrex™ Kjeldahl flasks One-hole style can be enlarge or the solid stopper bored to take larger sizes Top diameter: 39mm; bottom diameter: 28mm; height: 35mm; one-hole bore diameter: 8mm

  • Cork Borer Sets with Handles, Plated Steel Set

    Humboldt

    These inexpensive sets are used to bore holes in corks and rubber stoppers. They consist of plated tubing with precision ground cutting edges. The smooth plastic handles are stamped with a number designation. A punch is included with each set.

  • Filter Stopper RBR #8 0.625" Hole

    Thermo Scientific Nalgene

    No. 8, rubber For use with 145- and 147-series analytical test filter funnels and filter funnel with clamp

  • Filter Flask with Stopper Joint

    Wilmad-LabGlass - SP Scienceware

    This borosilicate glass heavy wall filtering flask can be used with FILTERWARE® Filtration Apparatus (LG-1755). Supplied with a silicone stopper with 9/16" hole and a #2 hose connection, the 4000mL flask has 1/2" connections.

  • Drying Tube, Schwartz

    Chemglass

    Schwartz type drying tube having 14/20 hollow stoppers. Stoppers have a hole that aligns with a serrated hose connection for on/off action. Overall height is approximately 170mm.

  • Twistit Convertible Stoppers

    Plasticoid

    … Molded of soft, resilient, white natural rubber Seals vacuum-tested to 760 mm Hg Autoclavable, with good shelf life. Sizes #3 & #4 have two holes; #5 - #10 have the (3) holes. 8744H10 Assortment includes nine size 3, eight size 4, six size 5, four size 6, two each sizes 7 and 8, one…

  • Transparent 6 Gallon PET Carboys

    Dynalon

    …closure with a center hole for a #10 Stopper for use with the PET Carboy and fermentation applications. 1166C14: A #10 Stopper with a center hole for a 3 piece fermentation lock. For use with the PET Carboy and fermentation applications. 1166C15: A solid #10 Stopper for use with the…

  • Filter Funnel, Threaded

    Thermo Scientific Nalgene

    … Screw-type closure holds membrane in place Autoclavable Can be used with any filtering flask or manifold that accepts a suitable rubber stopper with hole. Includes one easy-to-use, no-twist Nalgene® vacuum gasket, which can replace a No. 7 or 8 rubber stopper with a 9/16” (15 mm) hole.

  • Drying Towers

    Chemglass

    Cylindrical shaped drying tower has a 34/28 ground glass stopper. The stopper has a hole coinciding with a serrated hose connection sealed in the outer portion of the stopper neck and a second hose connection near the base of the cylinder. A hex base is sealed to the bottom of the tower for added…

  • Laboratory Grade Automatic Burets with Straight Stopcocks with PTFE Plugs

    Wilmad-LabGlass - SP Scienceware

    …by the rubber bulb. A small hole in the filling tube at the "O" line permits setting of the liquid level and excess titrant is returned to the bottle. Complete Set furnished with buret, bottle (LG-4230-120 or LG-4230-124), rubber hose, rubber stopper (LG-10392-126 or LG-10392-130),…

  • Cork Borer Sets with Handles, Plated Brass Set

    Humboldt

    These inexpensive sets are used to bore holes in corks and rubber stoppers. They consist of plated tubing with precision ground cutting edges. The smooth plastic handles are stamped with a number designation. A punch is included with each set.

  • Filter Adapter Set, Neoprene

    United Scientific Supplies

    …filter tubes and other apparatus in filtration assemblies These adapters are functional even if not tightly fitted around the funnel stem Can be used individually or nested with adjacent sizes Provide an excellent alternative to boring special size holes in rubber stoppers Autoclavable

  • Filter Adapters

    Bal Supply

    …does not need to be fitted closely around the funnel stem to be functional. Can be used singly or nested with adjacent sizes. Eliminates boring of special size holes in rubber stoppers and difficulties of insertion and removal. Withstands autoclaving. Available as a set or in individual sizes.

  • Cork Boring Machine

    Humboldt

    …tabletop, the Humboldt Cork Boring Machine has an adjustable guide that permits holes to be bored in any part of a stopper. The knurled chuck accommodates the 9/16" (14mm) shank of the eight, plated-steel borers included with the unit. The steel borers range from 3/16" to 5/8" (4.8mm to 15.9mm) in…

  • Center hole caps, N 20

    MACHEREY-NAGEL

    … Molded Butyl/PTFE septa with an only centrically laminated PTFE layer for excellent sealing on the glass rims Pure grey Butyl stopper 702931 for uncritical analyses (e.g. blood) To be crimped with MACHEREY-NAGEL manual / electronic crimping tools N 20 Packed with 100 pieces in a resealable…

  • Stopper Sidearm Pk144

    DWK Life Sciences (Kimble)

    …without disturbing established conditions ·          Rubber stopper provides a double seal and has an off-center hole for the insertion of the center well ·          Items sold…

  • Hollow Acrylic Prism,w/ Funnel & Stopper

    United Scientific Supplies

    Equilateral, 45mm sides hollow acrylic prism. Has one hole for adding fluids to study refraction and dispersion. Comes with a funnel and a stopper.

  • Laboratory Grade Automatic Burets with Straight Stopcocks

    Wilmad-LabGlass - SP Scienceware

    …up inside the graduated tube. A small hole in the filling tube at the "O" line permits setting of the liquid level and return of the excess to the bottle. Complete Set furnished with buret, bottle (LG-4230-120 or LG4230-124), rubber hose, rubber stopper (LG-10392-126 or LG-10392-130), and…

  • Class A KIMAX Micro Burets With PTFE Stopcock

    DWK Life Sciences (Kimble)

    Scale is durable white ceramic enamel Funnel top to accept No. 3 one-holed rubber stopper Class A accuracy Stopcock for both sizes is Standard Taper 2 1990K60 is graduated in 0.01 mL intervals. 1990K80 is graduated in 0.02 mL intervals.

  • KIMAX Class A Serialized and Certified Automatic Zero Burets with PTFE Stopcocks…

    DWK Life Sciences (Kimble)

    …rubber stopper, PTFE stopcock plug and 1/4 inch ID tubing Precision ground tips assure uniform outflow Supplied with a chemically-resistant, self-lubricating PTFE stopcock plug Permanently marked with an individual serial number and traceable to NIST Standards Supplied with a Certificate…

  • Clamp Style Polysulfone Filter Funnels

    Thermo Scientific Nalgene

    …yet allows easy access for retrieval and replacement of membrane. Clamp allows one-handed operation. Funnel may be used with any filtering flask or filter manifold which has a No. 8 rubber stopper with a 9/16” (15 mm) hole. Funnel and clamp, Thomas number 4618Q60, also available separately.

  • Microcentrifuge Tube Racks

    United Scientific Supplies

    …compatible with both 1.5ml and 2.0ml microcentrifuge tubes. Racks lock together on each side so that several can be attached for larger experiments. Each hole has molded in numbers for sample indentification. Ergonomic design provides easy insertion and removal and of tubes. Include rubber stopper

  • Filtering Flask Kit (Vacuum Pump Kit)

    GSC International, Inc.

    …Included is a 500ml Borosilicate Filtering Flask, Vacuum Pump, Porcelain Buchner Funnell, 9cm filter paper, connection tubing, and a rubber stopper. The stopper hole is specially cut to hold the Buchner funnel. The Vacuum Pump is simplifies the process of vacuum filtration, eliminating the need for…

  • BOD Bottle Accessories

    DWK Life Sciences (Wheaton)

    … Rubber Leash For BOD Stopper (1234R64) ensures that the stoppers do not become lost when collecting samples in from the field. The 10 mm diameter holes at each end of the leash expand to fit securely around both the stoppers and the bottle necks. Polyethylene cap with a closed cell foam insert…

  • Sidearm Flask 10ml

    DWK Life Sciences (Kimble)

    …to use this easy system with either a phosphate or bicarbonate buffer The disposable center well may be cut off when transferred to a liquid scintillation counting vial Sidearm flask enables syringe needle entry without disturbing established conditions Rubber stopper provides a double seal…

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